108476617551861 has 32 divisors (see below), whose sum is σ = 155856298131072. Its totient is φ = 66714132971520.

The previous prime is 108476617551823. The next prime is 108476617551937. The reversal of 108476617551861 is 168155716674801.

It is a happy number.

It is not a de Polignac number, because 108476617551861 - 2¹⁰ = 108476617550837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108476617551792 and 108476617551801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108476617551811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 952152181 + ... + 952266101.

It is an arithmetic number, because the mean of its divisors is an integer number (4870509316596).

Almost surely, 2^{108476617551861} is an apocalyptic number.

It is an amenable number.

108476617551861 is a deficient number, since it is larger than the sum of its proper divisors (47379680579211).

108476617551861 is a wasteful number, since it uses less digits than its factorization.

108476617551861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128613.

The product of its (nonzero) digits is 67737600, while the sum is 66.

The spelling of 108476617551861 in words is "one hundred eight trillion, four hundred seventy-six billion, six hundred seventeen million, five hundred fifty-one thousand, eight hundred sixty-one".